43486645 has 16 divisors (see below), whose sum is σ = 54240768. Its totient is φ = 33433920.

The previous prime is 43486643. The next prime is 43486679. The reversal of 43486645 is 54668434.

It is not a de Polignac number, because 43486645 - 2¹ = 43486643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43486598 and 43486607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43486643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23442 + ... + 25228.

It is an arithmetic number, because the mean of its divisors is an integer number (3390048).

Almost surely, 2^43486645 is an apocalyptic number.

It is an amenable number.

43486645 is a deficient number, since it is larger than the sum of its proper divisors (10754123).

43486645 is a wasteful number, since it uses less digits than its factorization.

43486645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 276480, while the sum is 40.

The square root of 43486645 is about 6594.4404614797. The cubic root of 43486645 is about 351.6564879045.

The spelling of 43486645 in words is "forty-three million, four hundred eighty-six thousand, six hundred forty-five".